ok, i downloads dual core optimiser and fanspeed 4.36 and found that the under load, cpu temp never got about 56 and gpu was 40 max.
i tried playing CS with fps as low as 70 and it still crashed. although the comp dosnt completely crash and shut down. the screen just goes black, the sound loops, i can still open the cd drive, but the sleep button dosnt do anything.
any ideas anyone....pls help